
CodeKitHub
CodeSwissKnife
DeveloperToolBox.tech
DevNestTools
eToolKing
Toolbox-Dev
DevToolbox is a free, no-signup collection of 148 client-side developer tools and 78 guides — a lightweight alternative to installing dozens of separate SaaS dev-tool apps.

Soulver
Omni Calculator
calculator.net
SpeedCrunch
Qalculate!
Parsify Desktop
fxSolver
Numi is a beautiful text calculator for Mac.

Which is more popular?
Based on our record, Numi App seems to be more popular. It has been mentioned 30 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | devtoolz.dev | numi.app |
| Pricing | ||
| Platforms | — | |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of devtoolz.dev yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
No devtoolz.dev videos yet. You could help us improve this page by suggesting one.
Sweat Proof Undershirt? WATCH UNTIL THE END! | Numi Shirt Review
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using devtoolz.dev and Numi App. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking devtoolz.dev since Sep 2026.
Numi is a text-based calculator that lets you type things like "25% of $400" or "3 hours 20 minutes in seconds" and just get the answer. It handles unit conversions, currency, time zones, and variables. Think of it as a scratchpad that... - Source: dev.to / 6 months ago
This looks fantastic. I will definitely give it a spin. I've been tracking what I call "computational scratchpad" apps for a while now but haven't found one that fits my environment/workflow yet. Maybe Heynote will. Here are some others... - Source: Hacker News / almost 3 years ago
Numi is an awesome little calculator app that supports currency conversion. Source: over 3 years ago
When comparing devtoolz.dev and Numi App, you can also consider the following products.

Free online tools: JSON formatter, password generator, QR code maker, calculators, converters and more. Fast, private, no login — everything runs in your browser.
Compare CodeKitHub to devtoolz.dev or Numi App:

Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.
Compare Soulver to devtoolz.dev or Numi App:
Feature-packed developer toolkit. Includes text conversion, encoding, UUID generation, cryptography, color conversion, JSON/XML formatting, and more for simplified, efficient development tasks without online data transmission.
Compare CodeSwissKnife to devtoolz.dev or Numi App:

Helping you make rational decisions, one calculation at a time.
Compare Omni Calculator to devtoolz.dev or Numi App:

Free browser-based tools for formatting, encoding, decoding, conversion, generators and everyday software development tasks.
Compare DeveloperToolBox.tech to devtoolz.dev or Numi App:

Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
Compare calculator.net to devtoolz.dev or Numi App: